Photo taken 16/04/04, at the Lakeland Bird of prey centre, Penrith, UK

The sexes of the Bald Eagle are similar, though the female is larger. It is also the only Eagle that is unique to the United States.
The white Head feathers do not appear until the bird reaches 4-5 years old. In the wild they are said to live for about 30 years though in captivity it is longer.